Electron magnetic resonance spectra of Fe1-xMnx amorphous nanoparticlesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Nanoparticles of Fe1-x Mn-x (0.07 < x < 0.20) alloys are studied using electron magnetic resonance in the temperature range 295-500 K. It is found that the temperature and manganese concentration in the nanoparticles have a noticeable effect on their electron magnetic resonance spectra. It is suggested that the Fe1-x Mn-x nanoparticles contain phases with different magnetic properties and that the relative content of the phases depends on the manganese concentration in the nanoparticles. The magnetic transition temperature lies above 500 K for one of these phases and in the temperature range 350-375 K for another.